Merge #15337: rpc: Fix for segfault if combinepsbt called with empty inputs

30d0f7be6e rpc: Fix for segfault if combinepsbt called with empty inputs (benthecarman)

Pull request description:

  Fixes #15300

Tree-SHA512: 25e7b4e6e48d8b0d197f0ab96df308fff33e2110f8929cb48914877fa7f4c4a84f173b1378fdb2dec5d03fe7d6d1aced4b577e55f9fe180d8147d9106ebf543f

1 files changed, 3 insertions, 0 deletions

diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index b3b9d8af09..cce62bacef 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -1518,6 +1518,9 @@ UniValue combinepsbt(const JSONRPCRequest& request)
     // Unserialize the transactions
     std::vector<PartiallySignedTransaction> psbtxs;
     UniValue txs = request.params[0].get_array();
+    if (txs.empty()) {
+        throw JSONRPCError(RPC_INVALID_PARAMETER, "Parameter 'txs' cannot be empty");
+    }
     for (unsigned int i = 0; i < txs.size(); ++i) {
         PartiallySignedTransaction psbtx;
         std::string error;